229789231 has 4 divisors (see below), whose sum is σ = 262616272. Its totient is φ = 196962192.

The previous prime is 229789223. The next prime is 229789253. The reversal of 229789231 is 132987922.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 229789231 - 2³ = 229789223 is a prime.

It is a super-2 number, since 2×229789231² = 105606181367142722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229789031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16413510 + ... + 16413523.

It is an arithmetic number, because the mean of its divisors is an integer number (65654068).

Almost surely, 2^229789231 is an apocalyptic number.

229789231 is a deficient number, since it is larger than the sum of its proper divisors (32827041).

229789231 is an equidigital number, since it uses as much as digits as its factorization.

229789231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32827040.

The product of its digits is 108864, while the sum is 43.

The square root of 229789231 is about 15158.8004472649. The cubic root of 229789231 is about 612.5053558327.

The spelling of 229789231 in words is "two hundred twenty-nine million, seven hundred eighty-nine thousand, two hundred thirty-one".